CN104579759B - A kind of virtual cascade group division methods - Google Patents
A kind of virtual cascade group division methods Download PDFInfo
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- CN104579759B CN104579759B CN201410806646.9A CN201410806646A CN104579759B CN 104579759 B CN104579759 B CN 104579759B CN 201410806646 A CN201410806646 A CN 201410806646A CN 104579759 B CN104579759 B CN 104579759B
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Abstract
The invention provides a kind of method of virtual cascade group (VCG) division, applied in the networking including multiple remote equipments and a convergence device, this method includes：The remote equipment configures the globally unique information of VCG, and the globally unique information of VCG of configuration is carried when sending code stream to the convergence device.When the convergence device receives the remote equipment transmitted stream, it is determined whether the globally unique information of VCG to be carried in the code stream has divided VCG, if it is, the time slot for receiving the code stream is divided into the VCG, and records as the VCG of time slot division；Otherwise, new VCG is divided to receive the time slot of the code stream, and recorded as the VCG of time slot division, and VCG corresponding to the globally unique information of the VCG.The complexity of configuration can be reduced, and strengthens the convenience of VCG maintenances.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of virtual cascade group division methods.
Background technology
Ethernet service has been the main business in telecommunication transport networks at present, and conventional transmission network is mainly by PDH technologies
With SDH technique constructions, therefore, there is Ethernet to PDH (Ethernet over PDH, EOP) and ether
Net is to encapsulation technologies such as Synchronous Digital Hierarchies (Ethernet over SDH, EOS).
In order to provide more bandwidth to Ethernet, main flow way is that multiple VC (E1) combine to form empty level at present
Connection group (VCG), for carrying new business, business is distributed in each VC for participating in cascade in source, participates in the multiple of cascade
VC (E1) individual transmissions in a network, are again merged into each VC (E1) business carried completely by delay compensation in egress
Business Stream.
Convergent type EOP/EOS equipment realizes star-like transmission of the Ethernet through transmission network from multiple spot to single-point, per road industry
Business forms VCG business, the convergence scheme in existing realization all the way, is required for carrying out VCG planning in advance, passes through webmaster or order
OK, human configuration circuit (time slot) and VCG corresponding relation on convergence device.It is actual because the VCG on convergence device is numerous
Service topology is extremely complex, therefore carries out difficulty height during business configuration, and it is extremely inconvenient to safeguard, and once configuration error, it is possible to
Multiple VCG business can all be affected.
The content of the invention
In view of this, the application provides a kind of virtual cascade group division methods, high to solve manual configuration division VCG difficulty,
And safeguard the problem of inconvenient.
In order to solve the above technical problems, what the technical scheme of the application was realized in：
A kind of method of virtual concatenation group VCG division, applied to the networking including multiple remote equipments and a convergence device
In, this method includes：
The remote equipment configures the globally unique information of VCG, and configuration is carried when sending code stream to the convergence device
The globally unique information of VCG.
When the convergence device receives the remote equipment transmitted stream, it is determined whether to carry in the code stream
The globally unique information of VCG has divided VCG, if it is, the time slot for receiving the code stream is divided into the VCG, and it is to be somebody's turn to do to record
The VCG of time slot division；Otherwise, new VCG is divided to receive the time slot of the code stream, and records the VCG divided for the time slot, with
And VCG corresponding to the globally unique information of the VCG.
As can be seen from the above technical solution, in the application by for remote equipment configure the globally unique information of VCG, and to
Convergence device carries the globally unique information of the VCG when sending code stream；Convergence device should to receive according to the globally unique information of the VCG
The time slot of code stream divides VCG automatically, can reduce the complexity of configuration, and enhances the convenience of VCG maintenances.
Brief description of the drawings
Fig. 1 is VCG division methods schematic flow sheets in the embodiment of the present application；
Fig. 2 is the schematic flow sheet that convergence device carries out VCG divisions in the application specific embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and according to embodiment,
Technical scheme is described in detail.
A kind of method of VCG divisions is proposed in the embodiment of the present application, is converged applied to including multiple remote equipments and one
In the networking of equipment.
The processing procedure of any remote equipment is similar in networking, by taking the processing procedure of any remote equipment as an example.
Remote equipment configures the globally unique information of VCG, and the globally unique information of the VCG can unique mark should in the networking
Remote equipment, during specific implementation, the globally unique information of the VCG can be device identification (ID) and/or media access control (MAC)
Address, it can also also include the random number that this remote equipment is the globally unique information generations of VCG.
During specific implementation, the globally unique information of VCG of configuration can be device id or MAC Address；It can also be device id
And MAC Address；Device id and random number；MAC Address and random number；Can also be device id, MAC Address and random number.
The above-mentioned globally unique information of VCG is only several implementations provided in the embodiment of the present application, in specific implementation,
The above-mentioned example provided is not limited to, as long as the parameter information of one remote equipment of unique mark can be realized.
Below in conjunction with the accompanying drawings, describe in detail and VCG divisions how are realized in the application specific embodiment.
Referring to Fig. 1, Fig. 1 is VCG division methods schematic flow sheets in the embodiment of the present application.Concretely comprise the following steps：
Step 101, remote equipment sends code stream to convergence device, and the VCG for carrying in the code stream configuration is globally unique
Information.
When remote equipment transmitted stream is encapsulated using EOP, the globally unique information of VCG can carry the volume in E1
In outer standby Sa bit fields, or in reserved field or group mark GID field in link level topology discovery (LCAS) field；
When the remote equipment transmitted stream is encapsulated using EOS, the globally unique information of VCG can carry LCAS
In reserved field or GID field in field；Or in the overhead field of Synchronous Digital Hierarchy (SDH).
In specific implementation, the globally unique information of VCG can be carried in code stream in any field that can be identified, or newly
Increase field to realize, be not limited to the implementation of above-mentioned cited field.
Step 102, when convergence device receives remote equipment transmitted stream, it is determined whether to carry in the code stream
The globally unique information of VCG has divided VCG, if it is, performing step 103；Otherwise, step 104 is performed.
Step 103, the time slot for receiving the code stream is divided into the VCG by the convergence device, and is recorded and drawn for the time slot
The VCG divided.
Step 104, the convergence device divides new VCG to receive the time slot of the code stream, and records and divided for the time slot
VCG, and VCG corresponding to the globally unique information of the VCG.
Convergence device record is the VCG of time slot division in this step, and corresponding to the globally unique information of the VCG
VCG, specifically include：Record the corresponding relation of VCG mark and the numbering of time slot, and the globally unique information of VCG and VCG mark
The corresponding relation of knowledge.
Convergence device determines whether to be that the globally unique information of VCG carried in the code stream has divided VCG, implements
When, it may be determined that the corresponding relation of the globally unique information of the VCG carried in the code stream and VCG mark whether is have recorded, such as
Fruit is, it is determined that the globally unique information of VCG to be carried in the code stream has divided VCG；Otherwise, it determines it is not to be taken in the code stream
The globally unique information division VCG of VCG of band.
In specific implementation, remote equipment can also be used in the globally unique information of carrying VCG by specific format
Verification means send code stream.
And convergence device after the globally unique information successes of verification VCG, then carries out VCG divisions when receiving code stream.
Referring to Fig. 2, Fig. 2 is the schematic flow sheet that convergence device carries out VCG divisions in the application specific embodiment.
Step 201, convergence device receives remote equipment transmitted stream.
Step 202, the convergence device determines whether to divide VCG to receive the time slot of the code stream, if it is, performing step
203；Otherwise, step 205 is performed.
The convergence device determines whether to divide VCG to receive the time slot of the code stream, specifically, local whether record determined
The corresponding relation of the numbering and VCG mark of the time slot, if it is, determining to divide VCG for the time slot；Otherwise, it determines not
VCG is divided for the time slot.
Step 203, the globally unique information of VCG and the code stream received corresponding to the VCG that convergence device determination has divided
Whether the globally unique information of VCG of carrying is consistent, if it is, performing step 208；Otherwise, step 204 is performed.
Step 204, the convergence device repartitions VCG to receive the time slot of the code stream, and records and divided for the time slot
VCG, and VCG corresponding to the globally unique information of the VCG, perform step 208.
VCG is repartitioned to receive the time slot of the code stream in this step, the time slot for receiving the code stream is specially exited into original
VCG corresponding to elder generation, and new VCG is divided for the time slot.
Step 205, the convergence device determines whether to be that the globally unique information of VCG carried in the code stream has divided VCG,
If it is, perform step 206；Otherwise, step 207 is performed.
Step 206, the time slot for receiving the code stream is divided into the VCG by the convergence device, and is recorded and drawn for the time slot
The VCG divided；Perform step 208.
Step 207, the convergence device divides new VCG to receive the time slot of the code stream, and records and divided for the time slot
VCG, and VCG corresponding to the globally unique information of the VCG.
Step 208, this flow is terminated.
After the embodiment of the present application division VCG, the time slot for receiving the identical globally unique information of VCG of code stream carrying is divided into one
In VCG.
In summary, the application for remote equipment by configuring the globally unique information of VCG, and is sending code to convergence device
The VCG globally unique information is carried during stream；Convergence device is automatic to receive the time slot of the code stream according to the globally unique information of the VCG
VCG is divided, the complexity of configuration can be reduced, and enhances the convenience of VCG maintenances.Even if line topological configuration error,
Only traffic affecting bandwidth is without causing service disconnection, so as to reduce the negative effect that configuration error is brought.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (6)
1. a kind of method of virtual concatenation group VCG division, applied in the networking including multiple remote equipments and a convergence device,
Characterized in that, this method includes：
The remote equipment configures the globally unique information of VCG, and the VCG that configuration is carried when sending code stream to the convergence device is complete
Office's unique information；
When the convergence device receives the remote equipment transmitted stream, it is determined whether the VCG to be carried in the code stream
Globally unique information has divided VCG, if it is, the time slot for receiving the code stream is divided into the VCG, and it has been the time slot to record
The VCG of division；Otherwise, new VCG is divided to receive the time slot of the code stream, and records the VCG divided for the time slot, and should
VCG corresponding to the globally unique information of VCG；
Wherein, it is described to determine whether to be in the code stream when the convergence device receives the remote equipment transmitted stream
Before the globally unique information of VCG of carrying has divided VCG, methods described further comprises：
Determine whether to divide VCG to receive the time slot of the code stream；
When it is determined that divided VCG to receive the time slot of the code stream, and determine the globally unique information of VCG corresponding to the VCG that has divided
When the globally unique information of VCG carried with the code stream received is inconsistent, VCG is repartitioned to receive the time slot of code stream, and remember
Record has been the VCG of time slot division, and VCG corresponding to the globally unique information of the VCG；
When it is determined that not dividing VCG to receive the time slot of the code stream, determine whether to be the VCG carried in the code stream described in execution
Globally unique information has divided VCG and subsequent step.
2. according to the method for claim 1, it is characterised in that
The globally unique information of VCG of the remote equipment configuration is device identification ID and/or MAC address.
3. according to the method for claim 2, it is characterised in that
It is the globally unique information generations of VCG that the globally unique information of VCG of the remote equipment configuration, which also includes this remote equipment,
Random number.
4. according to the method described in claim 1-3 any one, it is characterised in that
When the remote equipment transmitted stream is encapsulated using Ethernet to PDH EOP, the VCG overall situations are only
One information is carried in E1 extra standby Sa bit fields, or reserved field in link level topology discovery LCAS fields or
In group mark GID field；
When the remote equipment transmitted stream is encapsulated using Ethernet to Synchronous Digital Hierarchy EOS, the VCG is globally unique
Information is carried in reserved field or GID field in LCAS fields；Or in the overhead field of synchronized data generation function.
5. according to the method for claim 1, it is characterised in that the record is the VCG of time slot division, and should
VCG corresponding to the globally unique information of VCG, including：Record the corresponding relation of VCG mark and the numbering of time slot, and the VCG overall situations
The corresponding relation of unique information and VCG mark；
It is described to determine whether to be that the globally unique information of VCG carried in the code stream has divided VCG, including：Determine whether to have remembered
The corresponding relation of the globally unique information of the VCG carried in the code stream and VCG mark is recorded, if it is, it has been the code to determine
The globally unique information of VCG carried in stream has divided VCG；Otherwise, it determines it is not the globally unique information of VCG carried in the code stream
Divide VCG.
6. according to the method for claim 5, it is characterised in that described to determine whether to divide to receive the time slot of the code stream
VCG, including：
The corresponding relation numbered with VCG mark of the time slot whether is recorded it is determined that local, if it is, determining to be somebody's turn to do to receive
The time slot division VCG of code stream；Otherwise, it determines VCG is not divided to receive the time slot of the code stream.
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| CN201410806646.9A CN104579759B (en) | 2014-12-22 | 2014-12-22 | A kind of virtual cascade group division methods |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127706A (en) * | 2007-09-21 | 2008-02-20 | 烽火通信科技股份有限公司 | A dynamic bandwidth allocation and control system based on multi-service transmission platform |
| CN102902617A (en) * | 2011-07-27 | 2013-01-30 | 中兴通讯股份有限公司 | Method and system for realizing SDH (Synchronous Digital Hierarchy) virtual concatenation service through software simulation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7633950B2 (en) * | 2005-03-24 | 2009-12-15 | Alcatel-Lucent Usa Inc. | Method and apparatus for automatically assigning virtual concatenation group members to virtual concatenation groups |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127706A (en) * | 2007-09-21 | 2008-02-20 | 烽火通信科技股份有限公司 | A dynamic bandwidth allocation and control system based on multi-service transmission platform |
| CN102902617A (en) * | 2011-07-27 | 2013-01-30 | 中兴通讯股份有限公司 | Method and system for realizing SDH (Synchronous Digital Hierarchy) virtual concatenation service through software simulation |
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Address after: 100085 Beijing, Haidian District on the basis of information industry on the West Road, No. 38 Applicant after: GW DELIGHT TECHNOLOGY CO, LTD. Applicant after: Gelin Weier Sci-Tech Development Co., Ltd., Beijing Address before: 100085 Beijing, Haidian District on the basis of information industry on the West Road, No. 38 Applicant before: Beijing GW Delight Technology Co., Ltd. Applicant before: Gelin Weier Sci-Tech Development Co., Ltd., Beijing |
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